/*
 * Copyright (C) 2015 The Sven Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cc.core.os;

import android.content.Context;
import android.media.AudioManager;

/**
 * 作者：helloTan on 15/6/30 17:53
 * 邮箱：hellotanm@gmail.com
 */
public class Audio {

    private static int currVolume = 0;

    /**
     * 打开扬声器
     * @param context context
     */
    public static void OpenSpeaker(Context context) {
        try {
            AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
            audioManager.setSpeakerphoneOn(true);

            //获取当前通话音量
            currVolume = audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);

            if (!audioManager.isSpeakerphoneOn()) {
                audioManager.setSpeakerphoneOn(true);
                audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,
                        audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL),
                        AudioManager.STREAM_VOICE_CALL);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 关闭扬声器
     * @param context context
     */
    public static void CloseSpeaker(Context context) {
        try {
            AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
            if (audioManager != null) {
                if (audioManager.isSpeakerphoneOn()) {
                    audioManager.setSpeakerphoneOn(false);
                    audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL, currVolume,
                            AudioManager.STREAM_VOICE_CALL);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}